Tangent to that is ability cool downs like Divinity original sin 2. It’s the same as you said with mana, if you have to wait certain amount of turns to reuse your abilities combat revolves around min maxing your ability cool downs. Using long cool downs first in order to be able to use them again on the same fight. Buffs need to be recast every fight instead of after a long rest. Combat ends up being the same for every fight since you’re using the same abilities in the same order to maximize the cool downs
Tangent to that is ability cool downs like Divinity original sin 2. It’s the same as you said with mana, if you have to wait certain amount of turns to reuse your abilities combat revolves around min maxing your ability cool downs. Using long cool downs first in order to be able to use them again on the same fight. Buffs need to be recast every fight instead of after a long rest. Combat ends up being the same for every fight since you’re using the same abilities in the same order to maximize the cool downs